How can I make informed decisions about where to purchase my contact lenses?

Nov 20, 2024 ... The final column in a standard vision prescription is the axis, which includes a number between 0 and 180 degrees. ... axis values indicate light ... You need to know what these mean if you want to know how to understand your eye prescription. ... Axis: This explains where the irregular curve that is affecting ... » BRAND = The brand name given to the contact lens - for example "Soflens" or "Acuvue". For astigmatic patients, there is also the following parameters: » CYL ( ... The goal of RGP lens centration is to ensure that the visual axis remains within the back optic zone diameter (BOZD) for as long as possible to optimise visual ... May 17, 2020 ... Part 13: What does DIA Mean? ... DIA is short for "Diameter" and, like BC, is something found on contact lens prescriptions. It refers to the ... CYL: Cylinder (usually a number between -2.25 and -0.75); AX: Axis ... Doctors prescribe a contact lens that is perfectly fitted for your eye shape ... UV-absorbing contact lenses are NOT substitutes for protective UV-absorbing eyewear such as UV-absorbing goggles or sunglasses because they do not completely ... Dec 9, 2020 ... ... cyl”). Typically, these include patients with less ... The corresponding number in that row is the power of the contact lens you'll need. The astigmatism contact lens package contains numbers along with letters such as AXIS and CYL. Do you know the meaning of these letters and numbers?This ... Eye care professionals use standard terminology, abbreviations and measurements for every prescription. Learn what each of these data points mean and you can be ...